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Be aware how your voice works. Have you ever pulled the open end of an air filled balloon tight and the air rushes out at a squeal like pitch, then the more you open the balloon, the quieter and lower the pitch gets. This is a literal representation of your vocal chords.
The differential diagnosis for Vocal Cord Dysfunction, also referred to as paradoxical vocal fold motion (PVFM) and paradoxical vocal cord movement (PVCM), includes vocal fold swelling from allergy, asthma, or some obstruction of the vocal folds or throat.ocal cord dysfunction co-occurs with asthma approximately 40% of the time. This frequently results in a misdiagnosis of only asthma. Even young children can tell the difference between an asthma attack (primarily difficulty exhaling) and a VCD attack (primarily difficulty inhaling).